Want the pros to handle it?
Rodent Exclusion: Stainless Steel Mesh vs. Everything Mice Laugh At
Exclusion is a fancy word for “close every door a mouse can use.” It’s the difference between catching mice every winter forever and not having them at all.
Quick answer: Rodent exclusion means sealing every gap mice and rats use to get inside with materials they can’t chew. Stainless steel or copper mesh packed with sealant, galvanized hardware cloth, metal flashing and cement hold up. Foam, caulk or steel wool alone do not.
Materials: what works and what gets eaten
| Material | Rodent-proof? | Best for |
|---|---|---|
| Stainless steel mesh (packed + sealed) | ✅ Yes, won’t rust | Gaps around pipes, lines, sill plates |
| Copper mesh | ✅ Yes, won’t rust | Same as stainless; easy to shape |
| Galvanized hardware cloth (¼”) | ✅ Yes | Vents, crawl spaces, under decks |
| Metal flashing / sheet metal | ✅ Yes | Roof gaps, corners, garage door edges |
| Cement / mortar | ✅ Yes | Foundation cracks and holes |
| Steel wool | 🟡 For a while | Rusts and gets pulled apart |
| Expanding foam alone | ❌ No | Rodent marshmallow |
| Caulk alone | ❌ No | Fine on top of mesh, useless by itself |
| Plastic or vinyl covers | ❌ No | Chewed through in a night or two |
What our exclusion work for mice includes
- A full outside inspection — foundation, sill plate, utility entries, garage, vents, roofline.
- Sealing every gap with steel, copper, hardware cloth, flashing or cement.
- Door sweeps and garage door seals where needed.
- Pest-safe vent guards (including dryer vents, done safely).
- Trapping or monitoring inside until activity stops.
- Photos of what we found and fixed.
Don’t block weep holes in brick with mortar. They let water drain out of the wall. Use vents made for weep holes instead.
More on the bigger animals: animal proofing & wildlife exclusion and our entry point sealing service.
Watch: Silver Bullet mice & rat work
Ready to close the doors for good? Silver Bullet Pest Control finds how mice and rats get in, removes them and seals the house with steel. Call 973-510-2585, text us, or request a free quote.
What to look for
More pest questions, answered
- What Keeps Squirrels Away? Silver Bullet Pest Control Does
- What Smell Do Squirrels Hate the Most? The Nose Knows
- Does Hairspray Keep Squirrels Away From Pumpkins? Your Jack-o'-Lantern Deserves Better
- There's a Squirrel in My House! Don't Panic
- Squirrel-Proof Gutters
- Raccoon Deterrents
- What Keeps Mice Out of Your House? Steel, Caulk and a Little Attitude
- Does Pine-Sol Keep Mice Away? Clean Floors, Unbothered Mice
- How to Get Rid of Rats Permanently
- Getting Rid of Mice in the Attic
- Dryer Vent Mesh Cover
- All pest questions, answered
Squirrel & raccoon guides
- Squirrels in the Attic: 9 Signs and What to Do
- Noises in the Attic: Squirrels, Rats, Mice or Raccoons?
- How Raccoons Get Into Attics (and How to Stop Them)
- Raccoon in the Chimney: What to Do (and What Not To)
- One-Way Doors: How Squirrel & Raccoon Exclusion Works
- Squirrel Damage to Soffits, Fascia, Vents and Wires
Our wildlife services
- Squirrel Proofing in New Jersey
- Raccoon Proofing in New Jersey
- Animal Proofing & Wildlife Exclusion in New Jersey
- Chimney Animal Proofing & Chimney Caps in New Jersey
- Wildlife Damage Repair in New Jersey
- Animal entry point sealing
Common questions
What is rodent exclusion?
Sealing every gap mice and rats use to get into a building with materials they can’t chew, so new rodents can’t get in.
What mesh is rodent-proof?
Stainless steel or copper mesh (they don’t rust) and ¼-inch galvanized hardware cloth.
Can mice chew through expanding foam?
Yes, easily. Foam should only be used together with steel or copper mesh.
Does steel wool keep mice out?
For a while, but it rusts and mice can pull it apart. Stainless steel or copper mesh lasts much longer.
Schedule today
Call 973-510-2585, text us or request a free quote online. Silver Bullet Pest Control is licensed and insured in New Jersey.